# Fishtail App vs Harmony

The clearest difference is in-app purchases: Fishtail App at none against Harmony's 18. Fishtail App also leads on ads (none vs shown) and device support (3 vs 1). Harmony's advantage is update cadence (every 6 days vs every 3 weeks). On price and iOS requirement there is nothing between them.

Both are free to download. Harmony sells 13 in-app purchases, starting at $4.99 per 7 days. Fishtail App asks for nothing beyond the download.

Fishtail App ships an update every 3 weeks, Harmony every 6 days. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Fishtail App | Harmony |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (10K ratings)](https://appshunter.io/ios/app/harmony-cycle-syncing-period/id6736703227/reviews)** |
| Number of ratings | — | **10K** |
| Positive reviews | — | 35.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 78 MB | 180 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fishtail Digital Solutions](https://appshunter.io/developer/1773254958) | [Rocapine](https://appshunter.io/developer/1755706866) |

## What reviewers say

### Fishtail App

[App page](https://appshunter.io/ios/app/fishtail-app/id6463719006)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### Harmony

[App page](https://appshunter.io/ios/app/harmony-cycle-syncing-period/id6736703227)

This app helps you understand and sync your lifestyle with your natural body rhythms. It offers personalized guidance for energy, meals, movement, and mindset based on your cycle phase. It also includes smart tracking, daily insights, and an AI assistant for daily organization and self-awareness.

**Highlights:** Cycle Syncing Guidance, Smart Cycle Tracking, Daily Insights & Rituals, AI Lifestyle Assistant, Partner Connection, Privacy-Focused Data

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $4.99 | per 7 days |
| Harmony Monthly Plan | $9.99 | per month |
| Monthly Subscription | $14.99 | per month |
| Harmony Premium Pan | $14.99 | per month |
| Harmony Yearly Plan | $34.99 | per year |
| Yearly Premium | $34.99 | per year |
| Harmony Yearly Plan | $34.99 | per year |
| Harmony Premium | $39.99 | per 3 months |
| Premium Subscription | $39.99 | per 6 months |
| Yearly Subscription | $49.99 | per year |
| Yearly Subscription | $59.99 | per year |
| Harmony Yearly Plan | $79.99 | per year |
| Harmony Yearly Plan | $89.99 | per year |

**What reviewers like**

- 👍 Empowering experience
- 🚀 Easy to use
- 💡 Personalized insights
- 👍 Helpful for managing cycle
- 👍 Informative and useful

**What reviewers complain about**

- 🐛 Inaccurate calendar and period tracking
- 💰 Paid subscription required
- 🔧 Needs more customization options
- 👎 Issues with selecting period dates

**Reported bugs**

- Calendar issues with incorrect period dates
- Inability to select accurate period dates

**Requested features**

- More community features
- Longer meditation exercises
- Additional recipes and meal plans


## Frequently asked questions

### Is Fishtail App free?

Fishtail App is free to download, with no in-app purchases.

### Is Harmony free?

Harmony is free to download, with in-app purchases available.

### Do Fishtail App or Harmony have ads?

Harmony shows ads; Fishtail App does not.

### Which is updated more often, Fishtail App or Harmony?

Fishtail App ships an update every 3 weeks, and Harmony every 6 days. Most recently, Fishtail App was updated on October 3, 2026 and Harmony on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*